minor fixes

Author: ccyang314

static/css/introHCI.css

@@ -5,7 +5,7 @@
 
 /* applies to any <p> descendants of an element of class "example-class-selector" */
 .example-class-selector p {
-	/* Colors are in hexadecimal: http://www.colorpicker.com/ */	
+	/* Colors are in hexadecimal: http://www.colorpicker.com/ */
 	color: #CC00AA;
 }
 
@@ -30,5 +30,5 @@ body {
      bottom: 0;
      right: 0;
      position: absolute;
-     z-index: -1;	
-}
+     z-index: -1;
+}

static/index.html

@@ -6,7 +6,6 @@
 	<meta charset="utf-8">
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
 	<!-- this is a comment in HTML -->
-
     <!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
     <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
     <!--[if lt IE 9]>